The LiftMaster 312HM receiver is suitable for 1 automatic gate or garage door opening application. Includes rolling code technology. This unit is FCC certified at 315MHz and works with all Liftmaster Security+ remote control transmitters.

Standard Features

External 8" whip antenna, wire and instructions included.
Security+® rolling code and/or DIP switch compatibility
12VDC or 18 - 35VAC/DC jumper selectable
Momentary or constant contact, jumper selection
2-piece aluminum case with detachable cover
High security memory stores up to 15 Security+® remote control or keyless entry codes
Normal security memory stores up to 31 LiftMaster® remote control codes of any type
FCC certified 315MHz
Compatable remotes 371LM, 373LM, 373P and all MAX remotes
Compatable keypads 377LM, 877MAX
3-year warranty

If you need increased range the antenna can be connected to the receiver with model 86LM coaxial cable extension antenna kit. You can then mount the Antenna up to 15 ft away from the receiver depending on your requirements.

If receiver terminals 1 and 2 are not used in the installation because power is not available, transformer model 85LM is required and is available.

Liftmaster 312HM Manual

LiftMaster 312HM Gate & Garage Door Opener Receiver 315Mhz LiftMaster 312HM Gate & Garage Door Opener Receiver 315Mhz